D. W. Bohnert, Brandão, A. P., Cooke, R. F., Lippolis, K. D., Marques, R. S., and Schubach, K. M.,
“Feeding Immunostimulant Ingredients to Optimize Health and Performance of Receiving Cattle”, Oregon State University - Oregon Beef Council Report, 2017.
A. L. Torell, Rimbey, N. R., E. Bartlett, T., Van Tassell, L. W., Tanaka, J. A., L. Torell, A., E. Bartlett, T., and Larranga, R.,
“An evaluation of the PRIA grazing fee formula. In: Current Issues in Rangeland Resource Economics.”, A Western Regional Publication: NMSU Agric. Exp. Sta., Research Report, 737, 2001.